It's been six years since Mariano graduated from film school. He's about to turn 30 and he still lives with his mom, spends most of his time watching movies and has never written a single screenplay. His comfortable routine changes when his 15-year-old cousin, Ramiro, moves in with them.

All unemployed, Ki-taek's family takes peculiar interest in the wealthy and glamorous Parks for their livelihood until they get entangled in an unexpected incident.